CN215579734U - Grid-connected cabinet for distributed photovoltaic power generation system - Google Patents

Abstract

The utility model discloses a grid-connected cabinet for a distributed photovoltaic power generation system, which comprises a box body, wherein two vertical partition plates are arranged in the box body, a transverse partition plate is arranged between each vertical partition plate and the inner side wall of the box body, the transverse partition plate divides the space between each vertical partition plate and the side wall of the box body into an upper heat dissipation cavity and a lower equipment cavity, a plurality of ventilation holes are further formed in the side wall of the box body and communicated with the heat dissipation cavities, a plurality of exhaust fans are further arranged on the vertical partition plates and face the ventilation holes, and a slidable shielding plate for shielding the ventilation holes is further arranged on the outer side wall of the box body. According to the utility model, the shielding plate can be automatically closed to shield the vent hole or opened to expose the vent hole, so that moisture and dust in the outside air can be prevented from corroding internal electronic elements, high-efficiency ventilation and heat dissipation can be realized, and the top rainproof cover plays a role in protection.

Description

Grid-connected cabinet for distributed photovoltaic power generation system

Technical Field

The utility model relates to the field of grid-connected cabinet equipment, in particular to a grid-connected cabinet for a distributed photovoltaic power generation system.

Background

Distributed photovoltaic power generation is particularly constructed near a user site, the operation mode is that users use the power by themselves, redundant electric quantity is on the internet, and photovoltaic power generation facilities characterized by balance adjustment of a power distribution system are provided.

Therefore, it is necessary to design a grid-connected cabinet for a distributed photovoltaic power generation system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grid-connected cabinet for a distributed photovoltaic power generation system, which mainly solves the problem that external humid air and dust can be prevented from entering the grid-connected cabinet to damage electronic elements while realizing efficient heat dissipation.

The utility model provides a grid-connected cabinet for a distributed photovoltaic power generation system, which comprises a box body, wherein two vertical partition plates are arranged in the box body, a transverse partition plate is arranged between each vertical partition plate and the inner side wall of the box body, the transverse partition plate divides the space between each vertical partition plate and the side wall of the box body into an upper heat dissipation cavity and a lower equipment cavity, a plurality of vent holes are further formed in the side wall of the box body, the vent holes are communicated with the heat dissipation cavities, a plurality of exhaust fans are further arranged on the vertical partition plates, the exhaust fans face the vent holes, and the outer side wall of the box body is further provided with a slidable shielding plate for shielding the vent holes;

the top of box still is provided with rain-proof cover, the surface of rain-proof cover is provided with the reflector layer.

In a preferred embodiment, the outer side wall of the box body is provided with a sliding groove and a slotted hole, the slotted hole is communicated with the equipment cavity, the shielding plate is slidably arranged in the sliding groove, and the bottom of the back surface of the shielding plate is further provided with a sliding block which penetrates through the slotted hole.

In a preferred embodiment, the bottom of the equipment chamber is provided with a motor, and a screw rod is mounted on a driving shaft of the motor, penetrates through the sliding block and is in threaded connection with the sliding block.

In a preferred embodiment, an equipment rack is further disposed in the box body, the equipment rack is located between the two vertical partition plates, and the box body is further provided with an openable box door.

In a preferred embodiment, the box body is further provided with a temperature sensor, a storage battery and a controller, the temperature sensor is in signal connection with the controller, and the controller is in control connection with the motor.

The utility model has the technical effects and advantages that:

the air-tight box has the advantages that the air-tight box is good in airtightness, dust and moisture in the air can be prevented from entering the box to corrode an electronic element, when heat dissipation is needed, the shielding plate can be opened, heat can be dissipated quickly, the heat dissipation efficiency is high, certain automation degree is achieved, the rain-proof cover can prevent rain and snow from invading the box, the box is prevented from being irradiated by sunlight, the box is heated quickly, the equipment structure is simple, the manufacturing cost is low, and the air-tight box can be widely applied to the outdoors.

Drawings

FIG. 1 is an overall front view;

FIG. 2 is a front view showing the positional relationship of the components in the housing;

FIG. 3 is an overall side view;

FIG. 4 is a side view of the housing after the shutter has been slid down.

Description of reference numerals: 1. a box body; 11. a box door; 12. a vertical partition plate; 13. an exhaust fan; 14. a diaphragm plate; 15. a vent hole; 16. a chute; 17. a slot; 18. a screw; 19. a motor; 2. a rain cover; 3. an equipment rack; 4. a shutter; 41. a slider; 5. a temperature sensor; 51. a controller; 52. and (4) a storage battery.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

A grid-connected cabinet for a distributed photovoltaic power generation system is shown in figures 1-4 and comprises a box body 1, two vertical partition plates 12 are arranged in the box body 1, a transverse partition plate 14 is arranged between each vertical partition plate 12 and the inner side wall of the box body 1, the transverse partition plate 14 divides the space between each vertical partition plate 12 and the side wall of the box body 1 into an upper heat dissipation cavity and a lower equipment cavity, heat in the box body 1 can be dissipated through the heat dissipation cavities, a plurality of vent holes 15 are further formed in the side wall of the box body 1, the vent holes 15 are communicated with the heat dissipation cavities, a plurality of exhaust fans 13 are further arranged on the vertical partition plates 12, the exhaust fans 13 face the vent holes 15, the exhaust fans 13 work and can exhaust the heat through the vent holes 15, and a shielding plate 4 which can slide and is used for shielding the vent holes 15 is further arranged on the outer side wall of the box body 1;

the top of box 1 still is provided with rain-proof cover 2, and rain-proof cover 2 avoids rain and snow to invade box 1, and rain-proof cover 2's four sides is the slope form, avoids snow, and rain-proof cover 2's surface is provided with the reflector layer, and the reflector layer can avoid the temperature in the box 1 to rise at the excessive speed with the illumination reflection of summer day.

The outer side wall of the box body 1 is provided with a sliding groove 16 and a slotted hole 17, the slotted hole 17 is long-strip-shaped and communicated with the equipment cavity, the shielding plate 4 is arranged in the sliding groove 16 in a sliding mode, the bottom of the back face of the shielding plate 4 is further provided with a sliding block 41, the sliding block 41 penetrates through the slotted hole 17, and the sliding block 41 can slide up and down in the slotted hole 17.

The bottom of the equipment cavity is provided with a motor 19, a screw rod 18 is installed on a driving shaft of the motor 19, the top of the screw rod 18 is rotatably installed on the transverse partition plate 14, the screw rod 18 penetrates through a sliding block 41 and is connected in the sliding block 41 in a threaded mode, the motor 19 drives the screw rod 18 to rotate, the screw rod 18 rotates, the sliding block 41 can move up and down on the surface of the screw rod 18, and the sliding block 41 drives the shielding plate 4 to move up and down.

The box body 1 is also internally provided with an equipment rack 3, the equipment rack 3 is positioned between two vertical partition plates 12, the box body 1 is also provided with an openable box door 11, various electronic devices are installed on the equipment rack 3, and after the shielding plate 4 covers the vent holes 15, the electronic devices are in a closed environment.

Box 1 still is provided with temperature sensor 5, battery 52 and controller 51, temperature sensor 5 signal connection controller 51, motor 19 and exhaust fan 13 are connected in the control of controller 51, temperature sensor 5's model is LM335AZ, a temperature for in the perception box 1, controller 51's model is HS369E, still be provided with the WIFI module in the controller 51, can learn the weather information of place position in real time, when the weather information is in the rainfall state, sunshade 4 covers ventilation hole 15 all the time.

The temperature sensor 5 monitors the ambient temperature in the box body 1 in real time, when the temperature reaches a threshold value preset by the controller 51, the controller 51 can control the motor 19 to rotate and the exhaust fan 13 to work, and the storage battery 52 supplies power to the temperature sensor 5, the controller 51 and the exhaust fan 13.

The box door 11 is further provided with a plurality of meters for detecting the circuit, such as an ammeter, a voltmeter and the like.

In summary, the shielding plate 4 covers the ventilation hole 15, when the door 11 is closed, the electronic components on the equipment rack 3 are in a closed working environment, external moisture and dust cannot enter the box body 1 to damage the electronic components, when the electronic components work to raise the temperature in the box body 1, the controller 51 rotates the motor 19, the slider 41 moves downwards on the screw 18, that is, the shielding plate 4 moves downwards, the ventilation hole 15 is exposed, and at this time, the exhaust fan 13 works to exhaust heat in the box body 1;

when the temperature in the box body 1 is reduced to a set threshold value, the exhaust fan 13 stops working, the controller 51 controls the motor 19 to rotate reversely for a certain stroke, the screw 18 drives the slide block 41 to move upwards, the shielding plate 4 moves upwards to cover the ventilation hole 15 again, and the electronic element is in a closed working environment again.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (5)

1. A grid-connected cabinet for a distributed photovoltaic power generation system is characterized by comprising a box body (1), two vertical partition plates (12) are arranged in the box body (1), a transverse partition plate (14) is arranged between the vertical partition plates (12) and the inner side wall of the box body (1), the transverse clapboard (14) divides the space between the vertical clapboard (12) and the side wall of the box body (1) into an upper heat dissipation cavity and a lower equipment cavity, the side wall of the box body (1) is also provided with a plurality of vent holes (15), the vent holes (15) are communicated with the heat dissipation cavity, a plurality of exhaust fans (13) are also arranged on the vertical partition plate (12), the exhaust fans (13) face the vent holes (15), the outer side wall of the box body (1) is also provided with a shielding plate (4) which can slide and is used for shielding the vent hole (15);

the top of box (1) still is provided with rain-proof cover (2), the surface of rain-proof cover (2) is provided with the reflector layer.

2. The grid-connected cabinet for the distributed photovoltaic power generation system according to claim 1, wherein the outer side wall of the box body (1) is provided with a sliding groove (16) and a slotted hole (17), the slotted hole (17) is communicated with the equipment cavity, the shielding plate (4) is slidably arranged in the sliding groove (16), the bottom of the back surface of the shielding plate (4) is further provided with a sliding block (41), and the sliding block (41) penetrates through the slotted hole (17).

3. The grid-connected cabinet for the distributed photovoltaic power generation system according to claim 2, wherein a motor (19) is arranged at the bottom of the equipment cavity, a screw rod (18) is installed on a driving shaft of the motor (19), and the screw rod (18) penetrates through the sliding block (41) and is in threaded connection with the sliding block (41).

4. The grid-connected cabinet for the distributed photovoltaic power generation system according to claim 3, wherein an equipment rack (3) is further arranged in the box body (1), the equipment rack (3) is located between the two vertical partition plates (12), and the box body (1) is further provided with an openable box door (11).

5. The grid-connected cabinet for the distributed photovoltaic power generation system according to claim 4, wherein the box body (1) is further provided with a temperature sensor (5), a storage battery (52) and a controller (51), the temperature sensor (5) is in signal connection with the controller (51), and the controller (51) is in control connection with the motor (19).

Images